Front: settings persistance (#108)

* Front: Add peristance dependencies

* Front: Fix Cross-platform persistance

* Front: Create Settings Slice

* Front: Use Redux State for settings

* Front: Check if access token is still valid

* Front: Create Language Gate to set correct language at startup

* Front: BEtter handling of Access Token validity

front/i18n/LanguageGate.ts

@@ -0,0 +1,18 @@
+import { RootState, useSelector } from "../state/Store";
+import i18n from "./i18n";
+
+type LanguageGateProps = {
+	children: any; 
+}
+
+/**
+ * Gate to handle language update at startup and on every dispatch
+ * @param props the children to render
+ */
+const LanguageGate = (props: LanguageGateProps) => {
+	const language = useSelector((state: RootState) => state.language.value);
+	i18n.changeLanguage(language);
+	return props.children;
+}
+
+export default LanguageGate;